Document-Specific and Global
A scary truth: many preferences that you may set are specific to the document that is open at the time. Other preferences are application-wide, or global. How do you tell the difference? There is no way to know other than through experience and testing! So, heed the following.
Warning: To ensure preferences are set consistently for all future documents you create, set those preferences with no documents open at all.
In the following sections, I will not define those preferences that are peripheral to the vast majority of users. It’s easy to get to the Preferences: ⌘-K/Ctrl-K. To get to the first nine pages of your preferences, use the ⌘/Ctrl key and the numbers 1 through 9. For example, to get to my ...